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Detalles Bibliográficos
Autores principales:	Popescu, Cosmin Constantin, Aryana, Kiumars, Mills, Brian, Lee, Tae Woo, Martin-Monier, Louis, Ranno, Luigi, Sia, Jia Xu Brian, Dao, Khoi Phuong, Bae, Hyung-Bin, Liberman, Vladimir, Vitale, Steven, Kang, Myungkoo, Richardson, Kathleen A., Ocampo, Carlos A. Ríos, Calahan, Dennis, Zhang, Yifei, Humphreys, William M., Kim, Hyun Jung, Gu, Tian, Hu, Juejun
Formato:	Preprint
Publicado:	2024
Materias:	Optics Materials Science
Acceso en línea:	https://arxiv.org/abs/2409.12313
Etiquetas:	Agregar Etiqueta Sin Etiquetas, Sea el primero en etiquetar este registro!

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Chalcogenide optical phase change materials (PCMs) have garnered significant interest for their growing applications in programmable photonics, optical analog computing, active metasurfaces, and beyond. Limited endurance or cycling lifetime is however increasingly becoming a bottleneck toward their practical deployment for these applications. To address this issue, we performed a systematic study elucidating the cycling failure mechanisms of Ge$_2$Sb$_2$Se$_4$Te (GSST), a common optical PCM tailored for infrared photonic applications, in an electrothermal switching configuration commensurate with their applications in on-chip photonic devices. We further propose a set of design rules building on insights into the failure mechanisms, and successfully implemented them to boost the endurance of the GSST device to over 67,000 cycles.

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